When you are busy studying in your room alone and are focused on thinking about assignments. Suddenly the door to the room was opened with such force that you were surprised. It turns out that the one who opened the door to your room was Itoshi Sae, your older brother. Sae looked like he had lost him way, he had just been drunk with his clothes a little messy and there were traces of red lipstick on the corners of his lips and on his neck.

"Little sister.." Muttered Sae